What Is A Vent Free Gas Fireplace? Manufacturers also specify how many offsets each vent run can have. Another thing to consider is the amount of clearance space needed. The stove's installation determines the configuration of the vent run. For example, a 48-inch pipe may add 46 inches of height to an existing pipe due to the overlap at each juncture. With offsets tallied and the roof-penetration point determined, you can calculate how much chimney pipe you need. Once the horizontal section is in place, use a chimney tee to make the transition back to a vertical chimney run. The expanded galvanized steel mesh protects against animal infestation. The latter is the maximum allowable offset by code in the United States. You can get an attic insulation shield from the chimney system manufacturer. This is not a bad thing, Vent Free Fireplaces are built to burn incredibly clean. Proper venting is vital for a working and efficient stove. It is disappointing to find out your dream hearth isn't permitted in your area. If that occurs, measure the remaining length of pipe from the top of the chase to the end of the last installed pipe. For most wood-burning fireplaces with a single venting system, the choice is simple. The stovepipe bridges the gap between the stove and first wall or ceiling of the vent run. These parts are positioned where the pipe run meets the ceiling. Before anchoring an appliance, verify the alignment of the vent collar and venting path. If permitted to use a solid pack chimney, that is your best option to ensure proper venting. You can do this by using the perforated strapping or wall brackets. Fireplacesinstalled inside the home with roof flashing must be properly aligned. But, for air-cooled chimneys, you should enclose any length of pipe five feet above the roof. The only difference is the first piece of chimney section dropping down into the support box. The vent faces the front of the house so it would be nice to not have it so obvious. These are provided by the manufacturer. Or, you may box the chimney into an enclosure. Manufacturers specify clearance requirements in inches. They are smooth on one end to allow them to slide into a section of pipe before it connects to the chimney system. But, you won't need a storm collar if there is no roof flashing. Assemble the storm collar around the pipe just above the bead of sealant. Air-insulated chimneys omit lances from the cap so they can be removed and cleaned easily. Chimney chases are popular choices. Doing otherwise would create unsafe venting and deviation from standing codes. With our selection of gas and wood outdoor fireplaces you can even utilize two spaces at once. With ceiling support in place and plumb, now assemble the stovepipe. If this is the case, we recommend installing the offset as high in the run as possible. Additionally, they allow offsets to route the system around framing or other obstacles. It can either be provided by the manufacturer or fabricated by the homeowner. These fireplaces will typically have a sealed pane of glass on the front of the fireplace. This type of venting doesn't usually have offsets. The louvered construction allows the vent to provide adequate airflow. When she isn't writing, she is still usually found at her computer, either playing video games with her husband, creating digital art, or looking for something new to learn. It makes perfect sense that direct vent gas fireplaces are the most purchased hearth systems today. For this installation, the assembly process is the same as the attic. It diverts water from the outside of the pipe to the flashing cone. It's possible to use a support box on a flat ceiling. Instead of ceiling support boxes, horizontal installations use wall thimbles. They offer convenience and safety, with sealed combustion systems that protect indoor air quality by drawing outside air for the fire and expelling 100% of combustion exhaust and byproducts outside the home. You'll need to slide it down enough to fit between the last section of pipe and ceiling support. However, other brands offer many systems for their product. In those cases, you need to use a combination of components that meet or exceed the required height. The first is known as an air-cooled chimney system. First, identify any special circumstances you may have. Vent Free Gas Fireplaces are fireplaces that do not require venting when they burn. You'll also need a hole cut to the size of the firestop. With the installation complete, now you must test for draw and leakage. We cover the differences between brands and material grades in further detail below. If there is a steep roof or nearby obstruction, the chimney will need more length above the roof to meet code. x 24 in. The measuring process is straightforward for a vent system routed through a chimney. Still, some customers choose to use a better system for peace of mind. They'll be happy to help you locate the best venting system for your price point. Most manufacturers recommend you cover the entire base of the flashing and cut a hole large enough for the flashing cone to project out. For example, wood fuels are not as corrosive as the coal of fuel oils. The two types of gas fireplaces function differently. So, once the hole is cut, use 2x4s or similar lumber to brace around all sides of the fixture. Or, the installation may need a length of the chimney to extend through a pitched roof. Then, cut an appropriately sized hole in the ceiling to accommodate the fixture. But, there may be other suitable alternatives. Once accomplished, install the chase pan and place the storm collar and cap in place. Simply measure the distance from the top of the "as installed" appliance flue collar to the "as built" height of the chimney chase. As such, lower grade chimney systems can last for many years. But, with this guide and a little time and patience, you can be confident that you have a properly vented and efficient wood-burning appliance. If it isn't possible to devote space to the vent run within the home, you can angle the vent towards the outside wall. This will allow it to feed into a cantilevered chimney designed to hold the vent pipe itself. With the vent route and appliance selected, check your list of venting components. Greater pipe exposure can lead to poor performance from excessive chimney cooling, especially in colder climates. They are usually solid constructions that prevent inner and outer walls from separating. Below we'll explain what each number means. Clearances tell how much space is needed between combustible material and the appliance. At that point, halt the installation while you complete the chase exterior. Or, they will have formed an in-bracing run diagonally across the pan. So, make sure to locate the ideal position before installing. I have a propane fireplace with the exterior fresh air vent. Topping out the chimney with a cap is the same as with other installations. You should install at least one firestop halfway up the chase. CO., LLC 18 in. Despite the differences between various chimney systems, they do have some common ground. A short section of the horizontal chimney must attach to the outer side of the wall thimble. It accepts and secures the first section of pipe. The screws should be equidistant around the pipe perimeter. They also allow the use of fire stops for passing the system through each combustible floor. Once this is complete, repeat the process to assemble to the storm collar and cap. The outer wall is constructed from 22 or 24-gauge black-painted galvanized steel. Most stovepipes offer telescoping sections. White Polypropylene Plumbing/Hose Mounting Block Intake Exhaust Vent, 7.875 in. Once you install the pipes, you must install a storm collar around the top of the flashing cone. Direct Vent pipe for gas fireplaces and stoves in sizes 4x6 5/8, 4x7, 5x8, 8x10, etc. Nail the flashing in place right after you put down the tar paper or weather membrane. Thus, these systems make it impossible to substitute other brands of venting. In order for a traditional gas or wood fireplace to operate, two vents need to be installed: One that brings fresh air in, and another that pushes fumes and debris out. That information can be found in the installation manual for the wood stove that you have. © 2000-2020 Home Depot Product Authority, LLC. In a through the brick and inner flue installation for a six-inch pipe (horizontal), what diameter hole do I need to Core Bit drill and what insulation surrounds the stove pipe as it passes through the opening? This type of system features a layer of solid insulation between the inner and outer chimney walls. The DA MFG. 13 in. You might need an offset between the fireplace and the ceiling. They actually differ a great deal. Install the slip connector or telescoping section last. The solid insulation fits between the inner and center walls. CO., LLC 12 in. x 18 in. The DA MFG. Altering the vent run during construction often results in an offset between the two. In the attic space, you must use an attic insulation shield. The DA MFG. Find vent covers at Lowe's today. If you have a metal or tile roof, the installation depends on the manufacturer. The pipe should be run the same as the rest of the previous sections all the way through the chase. These telescopic pipes cover odd distances between the stove and ceiling. You may need to add more fasteners. Continue assembly until there's only a gap between the stovepipe and support box. Many manufacturers of chimney pipe list the pipes by the number of inches each section adds. Due to the variety of sizes of chase pans needed, many manufacturers do not supply them. The intake vent draws fresh air into the fireplace while the exhaust vent safely removes fumes of the combustion (burning) process. If you are referring to the stainless steel chimney pipe then, no, you can't penetrate the inner wall. The second is a vertical leg from which the vertical chimney is run. For a 6-inch single-wall stovepipe, we would recommend. In most cases, you'll need a combination of different length pipes for proper venting. $2,544.00 Isokern Ventless Outdoor Fireplace - 42" by Isokern. No more than five feet of unsupported pipe is permitted. You’ll pay $3,500 to $8,000 or more, depending on fireplace qu… Adapters accommodate different wall thicknesses. Once you have decided on the venting brand, notate the measurements of the venting system. Both systems use a stainless steel inner flue wall. Address any leaks by repositioning the stovepipe or chimney pipe properly. If you increase the chimney height for code or design purposes, you can lengthen the vent run too. To complete the stovepipe run, the chimney installation is almost the same as a fireplace. The rest of the installation is the same. It specifies how many elbow sets or pipe sections you can add between them. It should run from the roof decking to the ceiling joists for support. Empire Premium Tahoe Contemporary Direct Vent Fireplace 32" by Empire. In some cases, vertical venting is not an option due to the home's structure. So, if you wish to enclose your fireplace and chimney system, you can. Ideally, you'd want to route the vent pipe to the corner of a room or in a closet to avoid its visibility. The Sideline fireplace by Touchstone is the Best Recessed Electric Fireplace because it is an overall high-quality top… The Flare Vent Free Outdoor Fireplace is designed to fit any outdoor patio or living space. You must start with a vertical run of stovepipe before making a 90-degree turn towards the wall. Consider the vertical height of the stovepipe from the top of the stove. In those cases, it is possible to vent horizontally to an outside wall. Please keep in mind that this is a general guide. From that, determine how much pipe you need to cover the gap. They can help you develop a comprehensive list of venting components you'll need. The pan's hole should be approximately a 1/2 inch larger than the chimney pipe's outer wall. We also recommend insulating the chase before enclosing. Also, make sure the pipe meets the height requirements and adhere to the 10-3-2 rule. With the vent route and appliance selected, check your list of venting components. This method is ideal due to support supplied to the chimney. Check the sealant to ensure it has adequately filled the gaps between the collar and the pipe. CO., LLC 18 in. Air-cooled systems do not perform well in cold climates. The base of the chase must accommodate the framing dimensions of your fireplace. For appliances that use air-cooled or solid insulated chimneys, evaluate your installation plan. These are finished with flashing on the roof. You'll need these parts to transition from the stove pipe in the room to the chimney pipe above the ceiling. Napoleon Riverside 36 Clean Face Outdoor Fireplace by Napoleon. Item #M35130826 Starting at. Simpson Dura-Vent, Napoleon, Wolf Steel, Flex-Vent Termination kits, etc. The other end is smooth and mates with the first section of stove pipe. What is the lowest pitch roof line you can run a woodstove chimney thru without leak issues? Most manufacturers suggest at least 12 inches of vertical run from the stove. Although more costly, a chase is the most effective option if you want to conserve floor space. Start with the rigid sections and work from the stove to the wall. You may need to add more as necessary. This guide will help you solve the mystery behind venting measurements and clearances. This information is important to factor in when framing. But, you should leave off the exterior sheathing for easy access during installation. Homes with deeper eaves, between 6 and 10 inches, have a few other options. Venting systems with lower quality stainless steel, like 430 grade, are cheaper. How do you determine the correct size of vent pipe off woodburner? Empire Direct Vent Fireplace Flex Vent Extension Kit - 10 Foot Length; Drolet 6" Diameter Vortex Stainless Flex Liner Kit for Inserts; Empire Fresh Air Kit - For Fireboxes and Fireplaces; Empire Vinyl Siding Kit - For DVVK4RE Vent Kit - DV-822; Empire DVVK-5TP Through-Wall Top Vent Kit - For Tahoe Fireplaces Or, they may enclose the chase after running the pipe. This allows flue gases to gain more velocity before having to negotiate the offset. As it burns, make sure to inspect as many accessible areas of the venting as possible. All Rights Reserved. The sections fit over each other with self-tapping sheet metal screws. This makes for a less intimidating selection process. Item #M37101616 Starting at. Clearance Distances for the Exterior Vent Termination of a Direct-Vent Gas Fireplace / Heater The clearance distancess shown above and at the top of this page are between the vent termination cap of a gas fireplace and the air inlet side of an A/C or heat pump compressor/condenser. See reviews, photos, directions, phone numbers and more for the best Fireplaces in Marion, NC. You can use bendable tabs or fasteners to lock it into place. For installations in an existing home, survey the ceiling joist and roof rafter locations. Outdoor Lifestyles Villa Gas pact outdoor Fireplace from gas fireplace outside vent cover Hardwood fireplaces have a distinctive feeling. Insulated chimneys differ further from air-cooled systems in their structure. From there, collapse the telescoping section a little. Next, connect this pipe to the stovepipe section below. They are built to be nearly 100% efficient because they vent any combustion byproducts directly into the room they are in. A chiminea is defined as a freestanding fireplace or oven, usually with a vertical smoke vent or chimney. You may need offsets to divert the venting. Stove pipes, or chimney connectors, can be either single or double walled. 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